The volunteers kept a record of everything they ate for a week.志愿者记录下他们一周所吃的所有食物。Volunteers constitute more than 95% of The Center's work force.该中心95%以上的工作人员是志愿者.Twelve potential vaccines are currently being tested ...
The company believes the products will sell well in the run-up to Christmas.这个公司相信这些产品在圣诞节前夕一定会畅销。A machine of faulty design will not sell well.设计不良的机器销路不会好.A good book does not necessarily sell well.好书未必畅销....